Invasive solid papillary breast carcinoma without neuroendocrine differentiation

Abstract

Solid papillary carcinoma (SPC) is considered a rare malignant breast tumor. This tumour can be either in situ or invasive .Both usually show excellent prognosis. Solid papillary carcinoma often shows neuroendocrine differentiation. 74-year-old lady an ulcerative retroareolar mass in the right breast. CECT Thorax revealed a large lobulated fungating ulceroproliferative mass lesion in the right breast with pectoral muscle involvement.without neuroendocrine differentiation. SPC with invasion is an uncommon variant of papillary carcinoma with frequent mucinous differentiation. Neuroendocrine differentiation although supports the diagnosis of solid papillary carcinoma may or may not be present.